| Patents for F17D 5 - Protection or supervision of installations (3,893) |
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| 05/02/2012 | CN202209524U Airport aviation fuel pipe network leak detecting system based on pressure temperature analysis |
| 05/02/2012 | CN102435669A Supporting roller type pipeline inner inspection device and supporting roller type pipeline inner inspection system |
| 05/02/2012 | CN102434784A Oil and gas pipeline leakage monitoring system and polarization control method thereof |
| 05/02/2012 | CN102434783A Device for detecting leakage of optical fiber underwater long-distance transmission pipeline based on phase generator carrier demodulation |
| 05/02/2012 | CN101240875B Pipeline safety early warning system |
| 05/01/2012 | US8166999 Gas block device and gas block method |
| 04/25/2012 | CN202203670U 一种用于狭小空间的地下管道内检测用自动行走小车 An underground pipeline detection for small spaces automatically trolley |
| 04/25/2012 | CN202203661U 一种底料装车装置 One substrate material loading device |
| 04/25/2012 | CN202203659U 透气帽密封装置 Breathable cap sealing device |
| 04/25/2012 | CN101245899B 全光纤扰动传感与定位网络系统中的信号检测装置 All-fiber network disturbance sensing and positioning system signal detection device |
| 04/18/2012 | CN202195276U 智能无线燃气调压装置 Intelligent wireless gas pressure regulating device |
| 04/18/2012 | CN202195275U 安全保护装置和具有该安全保护装置的气体生产系统 Gas production system safety devices and protective devices have the security |
| 04/18/2012 | CN102418841A 一种管线中的变径短节螺纹检漏装置 One kind of adjustable short section of pipeline leak detection devices thread |
| 04/18/2012 | CN102418840A 一种集气套 A set of air jacket |
| 04/18/2012 | CN102418839A 一种管线中的管件螺纹密封检测装置 One kind of pipeline pipe thread sealing detection device |
| 04/11/2012 | CN202188311U 使用钢板对污水管线封堵闭水检测装具 Use steel pipe for sewage water detection harness plugging closed |
| 04/05/2012 | WO2012016324A8 Inspection device for measuring pipe size |
| 04/04/2012 | CN102401237A 防止电液回转器油路管道破损的装置 Prevention device electric-hydraulic rotary oil pipeline damaged |
| 03/29/2012 | WO2012031181A9 Methods and devices for sensing corrosion under insulation (cui) |
| 03/28/2012 | CN102392940A Method and system for testing tightness of underground gas pipeline |
| 03/28/2012 | CN101915337B Device and method for online sealing vacuum leakage holes of pipeline cavity |
| 03/21/2012 | CN102384357A Security detection system of oil-gas gathering and transporting pipeline |
| 03/14/2012 | EP1759369B1 Detection and actuation device for underground fittings |
| 03/14/2012 | CN202165809U 一种防止煤气管道内部堵塞的装置 An internal device prevents clogging of gas pipeline |
| 03/14/2012 | CN202165801U 一种硝酸存储防泄漏的安全装置 A safety device preventing the leakage of nitrate stored |
| 03/14/2012 | CN102374385A Pipeline leakage detection device and method |
| 03/14/2012 | CN101266024B Distributed optical fibre oil gas conveying pipeline early early-warning system based on polarization detection |
| 03/08/2012 | WO2012031181A2 Method and device for sensing corrosion under insulation (cui) |
| 03/07/2012 | CN202158360U 一种燃气管道泄漏检测及泄漏定位装置 A gas pipeline leak detection and leak location equipment |
| 03/07/2012 | CN202158359U 城市地下给水管网漏水监测控制系统 Leaking underground city water supply network monitoring and control system |
| 03/07/2012 | CN202158358U 自流管道泄漏监测装置 Gravity pipeline leak monitoring device |
| 03/07/2012 | CN202158357U 燃气管道地震自动阻断控制器 Earthquake automatic blocking gas pipeline controller |
| 03/07/2012 | CN102367913A Monitoring system for petroleum pipeline |
| 03/07/2012 | CN101334351B Pipeline leakage detector probe electric cable connection circuit |
| 03/07/2012 | CN101270850B Swinging type liquid leakage control recoverer |
| 02/29/2012 | CN202152925U 金属管道内涂层的漏点在线检测装置 Leak in the pipe coating line metal detection device |
| 02/29/2012 | CN202152924U 城市管道天然气泄漏监测预警控制系统 City Gas Pipeline Leak Detection Warning and Control System |
| 02/29/2012 | CN202152923U 一种基于超声导波聚焦的管道缺陷检测系统 Based on ultrasonic guided wave focusing pipeline defect detection system |
| 02/29/2012 | CN202152922U 便携式炼化企业安全检测盒 Portable refining enterprise security test kits |
| 02/29/2012 | CN202152914U 油井天然气回收装置 Oil and gas recovery |
| 02/29/2012 | CN101403473B Optical fiber security early-warning phase control system |
| 02/29/2012 | CN101344217B Apparatus and method for measuring earth induction current and pipe-to-soil potential of buried pipe |
| 02/22/2012 | CN202149364U Buffer protection device for hydrogen gas feeding |
| 02/22/2012 | CN202149355U 液氩储罐纯度自保护装置 Self-purity liquid argon tank protection device |
| 02/16/2012 | US20120037378 Tree protection system |
| 02/15/2012 | CN202144946U Hydrogen/oxygen linkage protection device of electric furnace |
| 02/15/2012 | CN102352964A Thermal fluid leak detecting and positioning system based on integrated fiber grating cluster |
| 02/15/2012 | CN102352963A Mixing interference distributed optical fiber-based leakage detection device for underwater long-distance pipeline |
| 02/15/2012 | CN102352960A Safety device for preventing leakage during storage of nitric acid |
| 02/09/2012 | WO2012016324A1 Inspection device for measuring pipe size |
| 02/08/2012 | CN202140798U 采用可编程滤波器的听漏仪 Programmable filter missed Miriam |
| 02/08/2012 | CN202140797U 油井缓冲罐气管线进油报警装置 Well buffer tank gas line into the oil alarm device |
| 02/08/2012 | CN102345798A System for monitoring pipe-soil relative displacement of oil-gas pipeline in mining subsidence area |
| 02/08/2012 | CN102345797A System for monitoring oil-gas pipeline in mining subsidence area |
| 02/08/2012 | CN102345796A Method for monitoring oil-gas pipeline in mining subsidence area |
| 02/08/2012 | CN102345795A Method and system for monitoring pipe-soil relative displacement of oil-gas pipeline in mining subsidence area |
| 02/08/2012 | CN102345794A System for monitoring oil-gas pipeline in mining subsidence area and constructing method thereof |
| 02/08/2012 | CN102345793A Method and system for monitoring oil-gas pipeline in mining subsidence area and system constructing method |
| 02/07/2012 | CA2674135C Method for wellhead high integrity protection system |
| 02/07/2012 | CA2498471C Improved pipe support apparatus |
| 02/07/2012 | CA2479451C Protective device for measuring instruments |
| 02/02/2012 | US20120024397 System and method for leakage control and/or testing of piping and discharge points for non-compressible fluids |
| 02/01/2012 | CN202132708U 一种管网渗漏在线自动检测装置 A pipe network leak online automatic detection device |
| 02/01/2012 | CN202132707U 一种压胶泵过压回流保护装置 One kind Caulking reflux pump overvoltage protection device |
| 02/01/2012 | CN202132702U 热采减压装置 Thermal Recovery decompression device |
| 02/01/2012 | CN102338282A MESH network-based relay wireless transmission petroleum pipeline monitoring system |
| 01/31/2012 | DE202011108226U1 Vorrichtung zur Dichtigkeitsprüfung von Rohrleitungen Apparatus for leak testing of pipelines |
| 01/26/2012 | DE102010031610A1 Komponente zum Führen oder Aufnehmen eines Fluids und Verfahren zum Überprüfen der Komponente Component for guiding or receiving a fluid and method for inspecting the component |
| 01/25/2012 | EP2409773A2 Self-Modulating Inert Gas Fire Suppression System |
| 01/25/2012 | CN102330887A Pipeline sound wave leakage detection positioning device and pipe cleaner |
| 01/25/2012 | CN102330886A System capable of automatically informing user of pipeline fault |
| 01/18/2012 | CN202118518U Automatic alcohol injection device for freezing prevention of natural gas wellhead gas transmission pipe line |
| 01/18/2012 | CN202118517U Blowing-down anti-explosion system with double safety valves |
| 01/18/2012 | CN102322570A Underwater gas transportation pipeline leakage detection experiment platform |
| 01/18/2012 | CA2755457A1 Alarming based on resource consumption data |
| 01/12/2012 | WO2012004508A1 Method for testing the integrity of a flexible tubular pipe and device for implementing same |
| 01/12/2012 | DE102007023454B4 Vorrichtung zum Druckprüfen eines Nebenkanals Apparatus for pressure testing of a secondary channel |
| 01/11/2012 | CN202110294U On-line tracking and locating system of pipeline cleaning device |
| 01/11/2012 | CN202109032U Water sinking pipeline gas conveying gas discharging valve assembly |
| 01/11/2012 | CN202105825U Bidirectional pig for pressure controlled pipeline flow discharge |
| 01/11/2012 | CN102313141A Optical fiber vibration sensing system for pipeline leakage detection |
| 01/11/2012 | CN102313140A Recovery device for gas pipeline leakage point position |
| 01/11/2012 | CN102313139A Online density measurement method and device of petroleum transmission pipeline |
| 01/11/2012 | CN102313138A Online density measurement method of petroleum transmission pipeline |
| 01/11/2012 | CN102313137A Oil conveying pipeline on-line density measuring device |
| 01/11/2012 | CN101986095B Ground marking method for eliminating time drift of crystal oscillator |
| 01/05/2012 | WO2012000333A1 Locating submarine pipeline robot method and device |
| 01/04/2012 | EP2401596A1 System and method for leakage control and/or testing of piping and discharge points for non-compressible fluids |
| 01/04/2012 | CN202100947U Probe system for carrying out ultrasonic guided wave detection on submarine pipeline |
| 01/04/2012 | CN202100946U Monitoring device for pipeline leakage based on double-Sagnac optical fiber interferometers |
| 01/04/2012 | CN1908505B Alarm sensing system for distributed optical fiber oil and gas pipeline |
| 01/04/2012 | CN102305352A Online monitoring system for corrosion state of oil and gas pipelines and method thereof |
| 12/29/2011 | WO2011161513A1 Method and device for estimating cool down in a system |
| 12/28/2011 | CN202093085U 燃气管道阴极保护智能测试桩 Intelligent gas pipeline cathodic protection test piles |
| 12/28/2011 | CN202091783U 一种油气集输管线安全检测系统 One kind of oil and gas gathering pipeline safety inspection system |
| 12/28/2011 | CN102297341A 智能无线燃气调压装置 Intelligent wireless gas pressure regulating device |
| 12/21/2011 | CN202082630U 一种气体减压装置 A gas pressure reducing device |
| 12/21/2011 | CN202082629U 天然气管线泄漏监测系统 Natural gas pipeline leak detection system |
| 12/21/2011 | CN202082628U Real-time data interaction gas pipe network polling system |
| 12/21/2011 | CN202082627U 一种煤气排水器防漏气装置 One kind of gas leak gas drainage device |